To delegate your calendar:

  1. Open your Google Calendar
  2. From the gear menu, select Settings.
  3. Click Calendars.
  4. In the Sharing column for your calendar, click Share this calendar or Shared: Edit settings (whichever appears).
  5. In the Share with specific people box, type the email address of the person to whom you want to delegate your calendar.
  6. Click Add Person.
  7. In the drop-down box under Permission Settings, select Make changes AND manage sharing.
  8. Click Save.